1809-19-4 4-01-00-01525 (Beilstein Handbook Reference) BRN 1099706 Butyl alcohol, hydrogen phosphite Butyl phosphonate ((BuO)2HPO) DIBUTYL HYDROGEN PHOSPHITE Di-n-butyl hydrogen phosphite Dibutoxyphosphine oxide Dibutyl hydrogen phosphite (VAN) Dibutyl hydrogen phosphonate Dibutyl phosphite Dibutyl phosphite (VAN) Dibutyl phosphonate Dibutylfosfit [Czech] EINECS 217-316-1 HSDB 2597 Mobil DBHP NSC 2668 Phosphonic acid, dibutyl ester Phosphorous acid, dibutyl ester Phosphorous acid, dibutyl ester (VAN)